Question

Advil's monthly income increased by 20%. his new monthly income is 7200. find his initial monthly income ​

Answer 1

Answer:

4500

Explanation

Let Advil's initial monthly income be = x

% increase in income= 20%

Therefore, increase in monthly income=20/100*x

Current monthly income= 7200

Therefore, BTP

x+(20/100*x)=7200

x+ x/5=7200

6x/5=7200

x=(7200*5)/6

x=4500

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